Matthew Allen

Pulpit Minister

Matthew is an Arkansas native, growing up in the small town of Malvern. He began preaching in 1995 and has previously worked with churches in Tompkinsville, KY; Brownsburg, IN; and Rapid City, SD.

He has served as the pulpit / teaching minister for Cornerstone Church of Christ since 2010. Matthew has also conducted and participated in a number of mission works outside of the United States, including Belize, Canada, and Ukraine. From 2011-2019, he made yearly trips to Colombia, working with churches across that country.

Matthew received a degree in Religion Studies from Wright State University in 2017. He and his wife, Becky, live in Waynesville. They have two grown children, Emilea and Zackary.

Matthew's mission at Cornerstone is to encourage members to grow in their relationship with Jesus through pulpit preaching and teaching Bible classes.

George Wacks


George Wacks grew up in Dayton, Ohio. After graduating from high school he spent two years in Berlin, Germany serving in the Army during Vietnam. George is the owner of Continental Frames in Dayton, making custom picture frames that are sold all over the United States.

George has been married to Cheryl since 1975. They live in Miamisburg and have been blessed with two sons, Pat and Dan.

After serving for five years as a deacon, George was appointed to the eldership in 1998. His desire is to see every member of the Cornerstone family growing in the Lord and reaching out to the lost.

Rich Walker


Rich Walker grew up in St. Louis, Missouri. After graduating from The Citadel in 1979, Rich was commissioned as a second Lieutenant in the Air Force, where he served 13 years. Rich currently works as a defense contractor at Wright Patterson Air Force Base.

Rich has been married to Connie since 1980. They have three grown daughters, Nicole, Stephanie, and Tiffany. Rich and Connie live in Beavercreek.

Rich began serving the Cornerstone family as a deacon in 1989 and was appointed as an elder in 2005. His greatest aim is to help the Cornerstone family in their faithful journey to heaven.

Russ Robins


Russ Robins is a Columbus native and grew up on a farm just outside of West Jefferson, Ohio. Upon completion of school Russ moved to Cincinnati working in the food service industry. He later worked in the Dayton area in the water treatment industry for over 20 years. Russ now is the owner of Color and Style Flooring in Dayton, Ohio.

Russ has been married to Yvonna since 1978. They have five grown children: Seth, Brittney, Brandon, Tori, and Taylor. Russ and Yvonna live in Trotwood.

Russ began serving the Cornerstone family as a deacon in 2008 and was appointed as an elder in 2010. His hope is to help as many as he can to get to heaven. He looks forward to the day we can all assemble together around the throne, knowing that together, we made it "home."

Mark Ringle


Mark Ringle is originally from Colorado, but has now lived in Dayton for over 30 years and served as a physician over 35 years. He is married to his lovely wife of 33 years, Margaret, who has served as a Registered Nurse over 30 years. They first met in Columbus and were married at the Fishinger and Kenny Rd Church of Christ. Mark and Margaret have been members of Kettering/ Cornerstone for about 5 years. They have two sons, Michael and Matthew, both of whom are faithful to the Lord and have faithful families. They also continue to grow in their work and service to the church.

Mark has been a Christian for over 50 years and has previously served as a longstanding church deacon and also elder. He and his wife have served as Bible teachers of many age groups and have conducted several Bible studies over the years. Mark and Margaret have had a special bond with teaching and caring for children and also seniors, both within the church and in the community. God has greatly blessed the Ringle family over the years, but they know that with each blessing there is more responsibility and more opportunities for service. There is no such thing as retirement when it comes to serving the Lord.

Mark’s strong desire for the Cornerstone church is that all of you agree with one another in what you say and that there be no divisions among you, but that you be perfectly united in mind and thought, (I Corinthians 1:10). Also, that each of us will Be completely humble and gentle; be patient, bearing with one another in love. Make every effort to keep the unity of the Spirit through the bond of peace, (Ephesians 4:2-3).
Mark began serving the Cornerstone family as a deacon in 2020 and was appointed as an elder in 2022.

Dan Spargo


Dan Spargo spent the majority of his childhood in Connersville, IN, then moved to Muncie for middle school and Seymour, IN, for high school. After graduating high school he entered the workforce in Lake Jackson, TX. A year or so later he tried one semester of college in Florida and soon realized that was not his path. He moved to Tennessee to learn residential home construction where he subsequently met his wife Tricia. They ended up in Dayton, OH, in 1993 where Dan started his current career working in the industrial water treatment industry.

Tricia agreed to marry Dan in 1988. They have two children, two grandchildren, and a granddog.

Dan began serving as a deacon in 2010 and became an elder in 2022. He enjoys working with the children and young people of the congregation and hopes he can be a positive influence on them so they continue to serve our God throughout their lives.

Boyd Hastings


Boyd Hastings grew up in Xenia, Ohio and graduated
from Central State University and Ohio State University. He taught school for thirty-six years with two breaks working in industry for four years.

Boyd has been married to Jeri since 1968. They live on a farm in Trotwood, Ohio. They are blessed with three sons; Phillip, Aaron, and Adam and four grandsons.

Boyd has served as an elder in two other congregations
before coming to Cornerstone. He seeks to help all in
their daily walk toward their home in heaven.

Boyd was appointed as an elder in 2022.